Below is a photo of a .303 Tracer (I think G Mk V) bullet I sectioned today. The photo doesn’t do it justice, it came out ALOT better than it appears. I was impressed with it for a first try. I won’t go into how I did it. All I will say is the projectile was already pretty messed up on the outside, so I thought “why not?”.
Specs are: CN Jacket, lead core at front, copper tracer cup, held in place with copper plated brass disc. Single outer cannelure with vertical knurling marks.
I did check up first that this type of tracer bullet was safe to section, which I was told it was. I also did a vice-marked German 7.92 GMCS SS Ball bullet, but didn’t bother photographing this as it is not very interesting internally.
Can anyone tell me what the brown material at the inner end of the tracer cup is? It looks to me link it could be gutta percha (used as a space filler), as the .303 Tracer G Mk V was only designed to trace to 550 yards, but they may well have used the same tracer cup as the GII, but simply filled halfway with gutta percha. Also, what trace composition was used in these? These traced red, so I guess it included potassium?